DNA Structure & Replication

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Describes the twisted ladder-like shape of a DNA molecule

• Nitrogen Base
• Hexagon
• Double Helix

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

• ribose sugar and base
• ribose sugar and phosphate group
• nitrogen base and deoxyribose sugar
• deoxyribose sugar and phosphate group
  

What is responsible for holding the two strands of the DNA double helix together?

• hydrogen bonds
• alleles
• London dispersion forces
• deoxyribose sugars

The nucleic acid DNA is composed of

• sugar, protein, and nitrogenous bases.
• protein, nitrogenous bases, and phosphate.
• nitrogenous bases, phosphate, and RNA.
• sugar, phosphate, and nitrogenous bases.

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Which component of DNA specifies the traits of an organism?

• 5-carbon sugar (deoxyribose)
• hydrogen bonds
• phosphate groups
• nitrogenous base pairs

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription